Question

Pleasee help me with this problemm

Answer 1

(sqrt18 + 2 sqrt3)^2

sqrt18  = sqrt9 * sqrt2  = 3 sqrt2

(3 sqrt2 + 2 sqrt3)(3 sqrt2 + 2 sqrt3)

=  9 *2  + 6sqrt6  + 6 sqrt6 + 4*3

= 30 + 12 sqrt6   answer

Answer 2

(_/18+2_/3)^(2

=(3_/2^(2 + (2)(2_/3)(3_/2) + 2_/3^(2)

=18+ 12_/6 +12

=30+12_/6

hope this helps